<ul class="layui-nav layui-nav-tree"  lay-filter="test">
<li class="layui-nav-item layui-nav-itemed">
    <a class="" href="javascript:;">所有商品</a>
    <dl class="layui-nav-child">
        <dd><a href="javascript:;">列表一</a></dd>
        <dd><a href="javascript:;">列表二</a></dd>
        <dd><a href="javascript:;">列表三</a></dd>
        <dd><a href="">超链接</a></dd>
    </dl>
</li>
<li class="layui-nav-item">
    <a href="javascript:;">解决方案</a>
    <dl class="layui-nav-child">
        <dd><a href="javascript:;">列表一</a></dd>
        <dd><a href="javascript:;">列表二</a></dd>
        <dd><a href="">超链接</a></dd>
    </dl>
</li>
<li class="layui-nav-item"><a href="">云市场</a></li>
<li class="layui-nav-item"><a href="">发布商品</a></li>
</ul>